Inorganic UV filters for personal care are a category of sunscreen ingredients that provide protection against the sun's harmful ultraviolet (UV) radiation by creating a physical barrier on the skin's surface. These inorganic UV filters are also commonly referred to as mineral or physical sunscreens.
The two primary inorganic UV filters used in personal care products are zinc oxide and titanium dioxide. These minerals act as a shield, reflecting and scattering UV rays, preventing them from penetrating the skin. Inorganic UV filters are known for their broad-spectrum protection, effectively blocking both UVA and UVB rays, making them a popular choice for sunscreens.
Inorganic physical UV filters are often favored for their gentle nature and suitability for sensitive skin. These inorganic UV filters are less likely to cause skin irritation or allergies compared to some organic UV filters. These sunscreens are ideal for individuals looking for reliable sun protection without the use of chemical compounds, making them a valuable option in the world of personal care and sun protection.
Among physical and chemical UV filters, inorganic sunscreens, also known as physical sunscreens, contain metal oxides such as zinc oxide and titanium dioxide. These ingredients sit on the skin and reflect and scatter UV rays. Inorganic sunscreens provide broad-spectrum protection and are mild in nature.
They are also non-toxic, non-irritating, and less likely to cause skin reactions. Inorganic sunscreens are heavier than organic sunscreens and can leave white marks.
They are formulated with titanium dioxide and zinc oxide in different particle sizes to optimize their UV protection.
Inorganic sunscreens work through three mechanisms: reflection, scattering, and absorption.
TINTOLL Inorganic sunscreens may scatter microparticles in the upper layers of the skin, thereby increasing the optical path of photons. This results in more photons being absorbed, increasing the sun protection factor (SPF).
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